/*
 * Copyright (c) 2015, EURECOM (www.eurecom.fr)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of the FreeBSD Project.
 */

#include <errno.h>
#include <string.h>

#ifndef RC_H_
#define RC_H_

#define RC_OK 0
#define RC_FAIL -1
#define RC_BAD_PARAM -2
#define RC_NULL_POINTER -3

static const char* const rc_strings[] = {"Ok", "fail", "bad parameter",
                                         "null pointer"};

#define CHECK_FCT(fCT)                                                   \
  do {                                                                   \
    int rET;                                                             \
    if ((rET = fCT) != RC_OK) {                                          \
      fprintf(stderr, #fCT " has failed (%s:%d)\n", __FILE__, __LINE__); \
      return rET;                                                        \
    }                                                                    \
  } while (0)

#define CHECK_FCT_POSIX(fCT)                                       \
  do {                                                             \
    if (fCT == -1) {                                               \
      fprintf(stderr, #fCT " has failed (%d:%s) (%s:%d)\n", errno, \
              strerror(errno), __FILE__, __LINE__);                \
      return RC_FAIL;                                              \
    }                                                              \
  } while (0)

#define CHECK_FCT_DO(fCT, dO)                                           \
  do {                                                                  \
    int rET;                                                            \
    if ((rET = fCT) != RC_OK) {                                         \
      fprintf(stderr, #fCT " has returned %d (%s:%d)\n", rET, __FILE__, \
              __LINE__);                                                \
      dO;                                                               \
    }                                                                   \
  } while (0)

#define CHECK_BUFFER(bUFFER)                                             \
  do {                                                                   \
    if ((bUFFER) == NULL) {                                              \
      fprintf(stderr, #bUFFER " is NULL (%s:%d)\n", __FILE__, __LINE__); \
      return RC_NULL_POINTER;                                            \
    }                                                                    \
  } while (0)

#endif /* RC_H_ */
